| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 827 |
83.8%
|
| 2 | Mild | 80 |
8.1%
|
| 3 | Moderate | 46 |
4.7%
|
| 4 | Severe | 29 |
2.9%
|
| 5 | Extreme | 5 |
0.5%
|
| Sysmiss | 2951 |